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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Mechanical - 4.3L) >> Repair Instructions - On Vehicle >> Valve Rocker Arm Cover Replacement - Left Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Valve Rocker Arm Cover Positive Crankcase Ventilation Hose
    GM1545576Courtesy of GENERAL MOTORS CORP.
  1. Remove the engine cover. Refer to Engine Cover Replacement .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  3. Remove the positive crankcase ventilation hose from the valve rocker arm cover.
    4. Fig 2: Bracket ECT Gage Sensor Connector
    GM543569Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the engine coolant temperature (ECT) gage sensor electrical connector.
  5. Remove the ECT gage sensor connector from the bracket.
  6. Remove the spark plug wires for the left side of the engine from the distributor cap.
  7. Remove the air conditioning compressor discharge hose, if equipped.
  8. Remove the air conditioning compressor suction hose, if equipped.
    9. Fig 3: Valve Rocker Arm Cover Bolts (Left)
    GM328566Courtesy of GENERAL MOTORS CORP.
  9. Remove the valve rocker arm cover bolts.
    10. Fig 4: Valve Rocker Arm Cover (Left)
    GM480519Courtesy of GENERAL MOTORS CORP.
  10. Remove the valve rocker arm cover.
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